Home / 2,149.02-3,222.99-832.35

Finding the Fourth Proportional to 2,149.02, 3,222.99 and 832.35

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Solution

The fourth proportional to 2,149.02, 3,222.99 and 832.35 is: 1,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.02 : 3,222.99 = 832.35 : x
  2. Step 2: Convert to fraction form
    2,149.02/3,222.99 = 832.35/x
  3. Step 3: Cross multiply
    2,149.02x = 3,222.99 × 832.35
  4. Step 4: Simplify right side
    2,149.02x = 2,682,655.73
  5. Step 5: Solve for x
    x = 2,682,655.73/2,149.02
  6. Step 6: Final answer
    x = 1,248.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.